During my visit to Berkshire Hathaway?s annual meeting in Omaha, Warren Buffett and I broke away from the meetings to visit a Dairy Queen for some lunch and to get some restaurant training. We learned how to work the cash register, greet guests, and make a Blizzard (including the proper way to serve it, ?Always upside down with a smile.?). Learn more at https://b-gat.es/2KdA96E

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